Finding the Third Proportional to 603,418.50 and 1,322,065.50

Step by Step Solution

1. Step 1: Write the proportion equation
   603,418.50 : 1,322,065.50 = 1,322,065.50 : x
2. Step 2: Convert to fraction form
   603,418.50/1,322,065.50 = 1,322,065.50/x
3. Step 3: Cross multiply
   603,418.50x = 1,322,065.50 × 1,322,065.50
4. Step 4: Simplify right side
   603,418.50x = 1,747,857,186,290.25
5. Step 5: Solve for x
   x = 1,747,857,186,290.25/603,418.50
6. Step 6: Final answer
   x = 2,896,591.98